单项选择题

[听力原文]
W: Hello.
M: Hi, Sally, this is Phil.
W: Great to hear from you Phil! How have you been doing
M: To tell you the truth, I’m very worried about our final examinations next month. For one thing, I can’t sleep.
W: I sympathize! I went through the same thing last year.
M: That’s exactly why I’m calling you. Do you have any suggestions for coping with anxiety You know how I hate exams!
W: Well, last year the university offered a stress-management course at about this time. Have you been in contact with the student health services
M: No, I haven’t had time!
W: Funny, isn’t it Just when students need help most, we can’t afford the time to get it!
M: Well, perhaps I should find out more about this stress-management course. Things have got to get better!
W: I suggest you call the health services tomorrow. They open at nine a.m..
M: Thanks, ally. I’ll let you know how it goes.
W: Best of luck! And have a good night’s sleep!
M: That’s easier said than done!

What is the main topic of the conversation()

A. Anxiety.
B. Truth.
C. Sympathy.
D. Time.